While the SSD1306 OLED has somewhat become the go-to display for up-to-date projects, the good old character displays ... clock that takes an entire 16×2 LCD to show each single digit.

The 16×2 LCD display is a classic in the microcontroller ... two rows of 16 characters each lies in the eight custom characters the display allows to be added to its preprogrammed character ...

For details about how liquid crystals work, see LCD subpixels for color screens and seven-segment display for monochrome. Passive displays are widely used with segmented digits and characters for ...